Which statement about identity NAT is true?
A. It is a static NAT configuration that translates the real IP address on the ingress interface to the same IP address on the egress interface.
B. It is a dynamic NAT configuration that translates a real IP address to a mapped IP address.
C. It is a static NAT configuration that translates a real IP address to a mapped IP address.
D. It is a dynamic NAT configuration that translates the real IP address on the ingress interface to the same IP address on the egress interface.
